The Principal Solutions of Sec X = 2 √ 3 Are _____ - Mathematics and Statistics

MCQ

The principal solutions of sec x = 2/sqrt3 are _____

Options

• pi/3,(11pi)/6

• pi/6, (11pi)/6

• pi/4,(11pi)/4

• pi/6,(11pi)/4

Solution

sec x= 2/sqrt3

cos x = sqrt3/2 = cos pi/6 = cos(2pi - pi6)

pi/6, (11pi)/6

Concept: Trigonometric Functions - General Solution of Trigonometric Equation of the Type
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